.vhb-widget{max-width:760px;margin:24px auto}.vhb-card{border:1px solid #dcdcde;border-radius:14px;padding:18px;background:#fff;box-shadow:0 8px 30px rgba(0,0,0,.05)}.vhb-header h3{margin:0 0 6px}.vhb-login input,.vhb-compose textarea{width:100%;box-sizing:border-box;margin:0 0 10px;padding:10px 12px;border:1px solid #c3c4c7;border-radius:10px}.vhb-login button,.vhb-compose button,.vhb-chat-top button,.vhb-feedback button{border:0;border-radius:10px;padding:10px 14px;cursor:pointer;background:#2271b1;color:#fff}.vhb-message{margin-top:8px;color:#b32d2e}.vhb-chat-top{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:12px}.vhb-messages{border:1px solid #dcdcde;border-radius:12px;padding:12px;min-height:220px;max-height:360px;overflow:auto;background:#f6f7f7;margin-bottom:12px}.vhb-bot-msg,.vhb-user-msg{padding:10px 12px;border-radius:10px;margin-bottom:8px;max-width:85%}.vhb-bot-msg{background:#fff;border:1px solid #dcdcde}.vhb-user-msg{background:#e7f1ff;margin-left:auto}.vhb-feedback{margin-top:10px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}